m4/curses.m4

   1 dnl Copyright © 2022 Nick Bowler
   2 dnl
   3 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
   4 dnl This is free software: you are free to do what the fuck you want to.
   5 dnl There is NO WARRANTY, to the extent permitted by law.
   6
   7 AC_DEFUN([DX_LIB_CURSES],
   8 [AC_BEFORE([$0], [_DX_CURSES_LINKTEST])dnl
   9 DX_LIB_SETUP([curses])dnl
  10 DX_LIB_PKGCONFIG_FLAGS([ncurses])
  11 AC_MSG_CHECKING([for curses])
  12 DX_LIB_SEARCH_LINK([curses],
  13   [_DX_LIB_CURSES_TEST],
  14   [ [[$CURSES_CFLAGS], [$CURSES_LIBS]],
  15     [[$dx_cv_ncurses_pkg_cflags], [$dx_cv_ncurses_pkg_libs],
  16       [test x"$dx_cv_ncurses_pkg_found" = x"yes"]],
  17     [[], [-lcurses]] ])
  18 AS_IF([test x"$dx_cv_curses_lib_found" = x"yes"], [$1],
  19   [m4_default([$2], [AC_MSG_FAILURE(
  20 [the curses library is required.  A suitable version
  21 may be found at <https://invisible-island.net/ncurses/>.
  22 m4_newline([DX_LIB_USERFLAG_BLURB([curses])])
  23 m4_newline([DX_LIB_PKGCONFIG_BLURB([ncurses])])
  24 ])])])])
  25
  26 m4_define([_DX_LIB_CURSES_TEST], [AC_LANG_PROGRAM(
  27 [#include <curses.h>
  28 ], [initscr(); curs_set(0); endwin();])])